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Technique H28 should not be sufficient to meet 3.1.4: Abbreviations #3019

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jialiang opened this issue Feb 12, 2023 · 1 comment · May be fixed by #4195
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Technique H28 should not be sufficient to meet 3.1.4: Abbreviations #3019

jialiang opened this issue Feb 12, 2023 · 1 comment · May be fixed by #4195
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@giacomo-petri
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3.1.4 Abbreviations Techniques WCAG 2.0

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@jialiang
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jialiang commented Feb 12, 2023 •
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Technique H28:Providing definitions for abbreviations by using the abbr element

Technically the <abbr> tag is used to indicate and define abbreviations. E.g. <abbr title="pound">lb.</abbr>.

But in reality, to quote the WHATWG (https://html.spec.whatwg.org/multipage/dom.html#the-title-attribute):

Relying on the title attribute is currently discouraged as many user agents do not expose the attribute in an accessible manner as required by this specification (e.g., requiring a pointing device such as a mouse to cause a tooltip to appear, which excludes keyboard-only users and touch-only users, such as anyone with a modern phone or tablet).

True enough, in major browsers like Chrome and Firefox, you can't get the text in the title attribute to show up in any way if you're using touch or keyboard.
@patrickhlauke
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I would be in favour of removing this technique, or demoting it from sufficient to advisory, exactly because <abbr> is not keyboard-supported - so following this technique would lead to a 2.1.1 failure.

@patrickhlauke patrickhlauke mentioned this issue Jun 6, 2024
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@giacomo-petri giacomo-petri self-assigned this Jan 12, 2025
@giacomo-petri giacomo-petri linked a pull request Jan 12, 2025 that will close this issue
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3.1.4 Abbreviations Techniques WCAG 2.0
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[WCAG AAA] - Move H28 from sufficient to advisory in 3.1.4 Abbreviations SC w3c/wcag
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@alastc @patrickhlauke @jialiang @giacomo-petri